Table 1. Animal information.

Group	Monkey ID	Sex	Date of birth	Age (Year)	Weight (kg)
8–10 years old (GDNF+)	M0011201	male	2000–11	8.1	6.71
	M0009203	male	2000–09	8.5	7.25
3–4 years old (GDNF+)	M0509999	male	2005–09	3.7	2.54
	M0510559	male	2005–10	3.8	3.84
8–10 years old (GDNF-)	M0009205	male	2000–09	8.5	7.46
	M0009209	male	2000–09	8.5	9.85
8–10 years old Naive control	M0010204	male	2000–10	8.5	7.89
	M0010495	male	2000–10	8.5	8.45

Note: GDNF (+) group received GDNF-expressing MSCs followed by MPTP treatment; GDNF (-) group received MSCs alone followed by MPTP treatment; naïve controls received no transplantation or MPTP administration.